To Activate your KASPERSKY 2012 With KEYFILES
    Turn off/Unplug/Disconnect your internet connection
    Click “Manage License” From Right Bottom of Kaspersky, Then click “Activate the application”
    Enter key: AAAAA-AAAAA-AAAAA-AAAA3
    Click on Next
    In the next window, click on Browse
    Specify the path to any key (file) from the Keys folder
    Click on Next
    After activation switch on the internet
    Update virus definitions once/twice in a week to avoid key block



    To activate your KASPERSKY 2011 With KEYFILES
    Open Kaspersky 2011 License Manager (from lower right corner).
    Click ‘Activate the application with a new license’ button. (Delete any trial key first, by clicking the red X next to the key).
    Select ‘Activate commercial version’ and enter the activation license code as 11111-11111-11111-1111X
    Wait activation wizard message->Click OK
    Wait for wrong activation code message->Click OK
    Screen will appear with KEY FILE BROWSE
    Browse to the key location and activate kaspersky